[OPENMP]Rename loopTripCnt member data to LoopTripCnt, NFC.

Rename variable to follow LLVM coding standard.

git-svn-id: https://llvm.org/svn/llvm-project/openmp/trunk@365368 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed